Perhaps you should try some spelling variations:
"acs symposium series" » "acs symposium semi", "acs symposium sas", "acs symposium sss", "das symposium series", "lakes symposium series", "gauss symposium series"
"games symposium series" » "games symposium semi", "games symposium sas", "games symposium sss", "lakes symposium series", "gauss symposium series", "das symposium series"
"acs symposium sieds" » "acs symposium sas", "acs symposium sss", "acs symposium semi", "das symposium sieds", "lakes symposium sieds", "gauss symposium sieds"
"acs symposium ii" » "das symposium ii", "lakes symposium ii", "gauss symposium ii", "acs symposium i", "acs symposium ismis", "acs symposium isvc"
"bacus symposium iv" » "bacus symposium isvc", "abacus symposium iv", "backs symposium iv", "baus symposium iv"

You may be able to get more results by adjusting your search query.

• If you are trying to use Boolean operators, they must be ALL CAPS: (((("bacus symposium iv") OR ("acs symposium ii"))) OR ((("acs symposium sieds") OR ((("acs symposium series") OR ("games symposium series"))))))*.
• The words AND, OR and NOT may confuse the search; try adding quotes: "((((\"bacus symposium iv\") or (\"acs symposium ii\"))) or (((\"acs symposium sieds\") or (((\"acs symposium series\") OR (\"games symposium series\"))))))*".
• Removing quotes may allow a broader search: (((( bacus symposium iv ) or ( acs symposium ii ))) or ((( acs symposium sieds ) or ((( acs symposium series ) OR ( games symposium series ))))))*.